Question
Describe how the gravitational force between two objects depends on the distance between them.
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Name three occupational diseases caused due to air pollution. Also mention their causative factors.
What are symptoms of foot and mouth disease of cattle?
List three groups of plants. Which plants are referred to as vascular plants? Out of these which group is further classified on the basis of number of cotyledon? State its two characteristics.
Define the following terms:
Give the fsour characteristics of algae.
Explain the structure of neuron with the help of a labelled diagram